Why doctor? It's the most expensive part of your healthcare. But it can be trainee/researcher/AI. Which could be absolutely out of expensive healthcare system. Service which you could buy for additional cost from company which has good guess/prediction ratio based on input parameters from doctor. Service which could be in any part of the world.
What? The doctor’s visit is the cheapest part of healthcare. Procedures cost far more, and pharm far more again. Perhaps you’re outside of the US, though I can’t think of a country where this isn’t true.
Don't forget diagnostic scans and tests. Those are quite expensive. However GP is proposing a service that doesn't actually exist now: paying a medical expert to spend a lot of time considering a challenging case. It would have obvious benefits, so we shouldn't dismiss it out of hand just because it would be too cheap.
Create a team consisting of one or more human doctors with a medical diagnostic AI.
From the article it sounds to me that a lot of the research could have been done by an AI, with the human doctors making the final decision on the "best" diagnosis.